Finding the Fourth Proportional to 1,720,875.35, 2,377,236.43 and 1,378,982.45
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Solution
The fourth proportional to 1,720,875.35, 2,377,236.43 and 1,378,982.45 is: 1,904,941.76
Step by Step Solution
- Step 1: Write the proportion equation
1,720,875.35 : 2,377,236.43 = 1,378,982.45 : x - Step 2: Convert to fraction form
1,720,875.35/2,377,236.43 = 1,378,982.45/x - Step 3: Cross multiply
1,720,875.35x = 2,377,236.43 × 1,378,982.45 - Step 4: Simplify right side
1,720,875.35x = 3,278,167,324,137.47 - Step 5: Solve for x
x = 3,278,167,324,137.47/1,720,875.35 - Step 6: Final answer
x = 1,904,941.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.